Sanitize phone number for Malaysia

sanitize_phone_number_malaysia.php

<?php 
$prepare_phone_num = $phone_num;

$phone = $prepare_phone_num;
$phone = str_replace(["-", "–", " ", "+"], '', $phone);

if ("0" == substr($phone, 0, 1))
{
    $phone = "6" . $phone;
}
if ("60" != substr($phone, 0, 2))
{
    $phone = "60" . $phone;
}

return $phone;

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